Joe Morton! An FBI Agent is accused of selling witness locations during criminal trials, and the U.S. Marshals ask Peter and Neal for help tracking down the suspect

A man takes hostages, including Joan, and threatens to execute them unless Holmes finds the person responsible for the death of his son. As Sherlock investigates, the captor gives him…

With Ambrose’s help, Cora struggles to recover missing memories, which lead Ambrose to a new suspect.